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17-09-2016
Chemistry

contestada

An atom of iron-56, 56Fe, contains? A.) 26 electrons, 26 protons, 56 neutrons. C.) 26 electrons, 26 protons, 30 neutrons.

Respuesta :

27-09-2016

C)because 56 is the Atomic mass,which is the total no. of nucleons and protons.56 total Atomic mass-30neutrons=26 protons

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